WordPress User Submitted Posts Plugin <= 20230902 is vulnerable to Arbitrary File Upload
Priority MEDIUM 44CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in Jeff Starr User Submitted Posts – Enable Users to Submit Posts from the Front End.This issue affects User Submitted Posts – Enable Users to Submit Posts from the Front End: from n/a through 20230902.
Why it matters now
EPSS 0.00975 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-45603
- 2026-10-03 Alias added: GHSA-4v55-6j3q-q3g7
References
More specialk User Submitted Posts vulnerabilities
- TI-2024-04645 User Submitted Posts < 20240516 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
- TI-2019-15241 User Submitted Posts <= 20190312 - Unauthenticated Arbitrary File Upload CVSS 3.1CRITICAL 9.8
- TI-2023-03982 User Submitted Posts <= 20230809 - Unauthenticated Stored Cross-Site Scripting via 'user-submitted-content' CVSS 3.1HIGH 7.2
- TI-2016-09039 The user-submitted-posts plugin before 20160215 for WordPress has XSS via the user-submitted-content field. CVSS 3.1MEDIUM 6.1
- TI-2023-04406 Cross-site scripting in specialk User Submitted Posts – Enable Users to Submit Posts from… CVSS 3.1MEDIUM 6.4
Sources
- CVE-2023-45603 · CVE Program
- CVE-2023-45603 · NVD
- FIRST EPSS
- GHSA-4v55-6j3q-q3g7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences